asshley1226 asshley1226

14-09-2017
Mathematics

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if y=21 when x=105 what is y when x=85

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scarp8979 scarp8979

14-09-2017

X / y
105 / 21
85 / x
Cross multiple
85 * 21 = 1785
105x = 1785
X = 17

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